Carving grand canyon: evidence, theories, and mystery Wayne Ranney
2012. Third Printing. 160 pages. Signed by the author. Paperback book with pictorial cover. Flat signed by author to half title page. Pages remain clear with minimal tanning and foxing. Damp staining to bottom corner. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Damp marks to glossy cover.